Home / 99,381.04-149,104.38-40,184.43

Finding the Fourth Proportional to 99,381.04, 149,104.38 and 40,184.43

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Solution

The fourth proportional to 99,381.04, 149,104.38 and 40,184.43 is: 60,289.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,381.04 : 149,104.38 = 40,184.43 : x
  2. Step 2: Convert to fraction form
    99,381.04/149,104.38 = 40,184.43/x
  3. Step 3: Cross multiply
    99,381.04x = 149,104.38 × 40,184.43
  4. Step 4: Simplify right side
    99,381.04x = 5,991,674,520.80
  5. Step 5: Solve for x
    x = 5,991,674,520.80/99,381.04
  6. Step 6: Final answer
    x = 60,289.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.